content/releases/current/javadocs/org/apache/storm/StormTimer.html - storm-site - Git at Google

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 <div class="header">
 <div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.storm</a></div>
 <h1 title="Class StormTimer" class="title">Class StormTimer</h1>
 </div>
 <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
 <div class="inheritance">org.apache.storm.StormTimer</div>
 </div>
 <section class="class-description" id="class-description">
 <dl class="notes">
 <dt>All Implemented Interfaces:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></code></dd>
 </dl>
 <hr>
 <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">StormTimer</span>
 <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
 implements <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></span></div>
 <div class="block">The timer defined in this file is very similar to java.util.Timer, except it integrates with Storm's time simulation capabilities. This
  lets us test code that does asynchronous work on the timer thread.</div>
 </section>
 <section class="summary">
 <ul class="summary-list">
 <!-- ======== NESTED CLASS SUMMARY ======== -->
 <li>
 <section class="nested-class-summary" id="nested-class-summary">
 <h2>Nested Class Summary</h2>
 <div class="caption"><span>Nested Classes</span></div>
 <div class="summary-table three-column-summary">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Class</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second even-row-color"><code><a href="StormTimer.QueueEntry.html" class="type-name-link" title="class in org.apache.storm">StormTimer.QueueEntry</a></code></div>
 <div class="col-last even-row-color">&nbsp;</div>
 <div class="col-first odd-row-color"><code>static class&nbsp;</code></div>
 <div class="col-second odd-row-color"><code><a href="StormTimer.StormTimerTask.html" class="type-name-link" title="class in org.apache.storm">StormTimer.StormTimerTask</a></code></div>
 <div class="col-last odd-row-color">&nbsp;</div>
 </div>
 </section>
 </li>
 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 <li>
 <section class="constructor-summary" id="constructor-summary">
 <h2>Constructor Summary</h2>
 <div class="caption"><span>Constructors</span></div>
 <div class="summary-table two-column-summary">
 <div class="table-header col-first">Constructor</div>
 <div class="table-header col-last">Description</div>
 <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.String,java.lang.Thread.UncaughtExceptionHandler)" class="member-name-link">StormTimer</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Thread.UncaughtExceptionHandler.html" title="class or interface in java.lang" class="external-link">Thread.UncaughtExceptionHandler</a>&nbsp;onKill)</code></div>
 <div class="col-last even-row-color">
 <div class="block">Makes a Timer in the form of a StormTimerTask Object.</div>
 </div>
 </div>
 </section>
 </li>
 <!-- ========== METHOD SUMMARY =========== -->
 <li>
 <section class="method-summary" id="method-summary">
 <h2>Method Summary</h2>
 <div id="method-summary-table">
 <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
 <div id="method-summary-table.tabpanel" role="tabpanel">
 <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
 <div class="table-header col-first">Modifier and Type</div>
 <div class="table-header col-second">Method</div>
 <div class="table-header col-last">Description</div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#close()" class="member-name-link">close</a>()</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">cancel timer.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isTimerWaiting()" class="member-name-link">isTimerWaiting</a>()</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">is timer waiting.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#schedule(int,java.lang.Runnable)" class="member-name-link">schedule</a><wbr>(int&nbsp;delaySecs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#schedule(int,java.lang.Runnable,boolean,int)" class="member-name-link">schedule</a><wbr>(int&nbsp;delaySecs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func,
  boolean&nbsp;checkActive,
  int&nbsp;jitterMs)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Schedule a function to be executed in the timer.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#scheduleMs(long,java.lang.Runnable)" class="member-name-link">scheduleMs</a><wbr>(long&nbsp;delayMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#scheduleMs(long,java.lang.Runnable,boolean,int)" class="member-name-link">scheduleMs</a><wbr>(long&nbsp;delayMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func,
  boolean&nbsp;checkActive,
  int&nbsp;jitterMs)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Same as schedule with millisecond resolution.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#scheduleRecurring(int,int,java.lang.Runnable)" class="member-name-link">scheduleRecurring</a><wbr>(int&nbsp;delaySecs,
  int&nbsp;recurSecs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Schedule a function to run recurrently.</div>
 </div>
 <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#scheduleRecurringMs(long,long,java.lang.Runnable)" class="member-name-link">scheduleRecurringMs</a><wbr>(long&nbsp;delayMs,
  long&nbsp;recurMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</code></div>
 <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Schedule a function to run recurrently.</div>
 </div>
 <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
 <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#scheduleRecurringWithJitter(int,int,int,java.lang.Runnable)" class="member-name-link">scheduleRecurringWithJitter</a><wbr>(int&nbsp;delaySecs,
  int&nbsp;recurSecs,
  int&nbsp;jitterMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</code></div>
 <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
 <div class="block">Schedule a function to run recurrently with jitter.</div>
 </div>
 </div>
 </div>
 </div>
 <div class="inherited-list">
 <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
 <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
 </section>
 </li>
 </ul>
 </section>
 <section class="details">
 <ul class="details-list">
 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 <li>
 <section class="constructor-details" id="constructor-detail">
 <h2>Constructor Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="&lt;init&gt;(java.lang.String,java.lang.Thread.UncaughtExceptionHandler)">
 <h3>StormTimer</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name">StormTimer</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&nbsp;name,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Thread.UncaughtExceptionHandler.html" title="class or interface in java.lang" class="external-link">Thread.UncaughtExceptionHandler</a>&nbsp;onKill)</span></div>
 <div class="block">Makes a Timer in the form of a StormTimerTask Object.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>name</code> - name of the timer</dd>
 <dd><code>onKill</code> - function to call when timer is killed unexpectedly</dd>
 </dl>
 </section>
 </li>
 </ul>
 </section>
 </li>
 <!-- ============ METHOD DETAIL ========== -->
 <li>
 <section class="method-details" id="method-detail">
 <h2>Method Details</h2>
 <ul class="member-list">
 <li>
 <section class="detail" id="schedule(int,java.lang.Runnable,boolean,int)">
 <h3>schedule</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">schedule</span><wbr><span class="parameters">(int&nbsp;delaySecs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func,
  boolean&nbsp;checkActive,
  int&nbsp;jitterMs)</span></div>
 <div class="block">Schedule a function to be executed in the timer.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>delaySecs</code> - the number of seconds to delay before running the function</dd>
 <dd><code>func</code> - the function to run</dd>
 <dd><code>checkActive</code> - whether to check is the timer is active</dd>
 <dd><code>jitterMs</code> - add jitter to the run</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="schedule(int,java.lang.Runnable)">
 <h3>schedule</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">schedule</span><wbr><span class="parameters">(int&nbsp;delaySecs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="scheduleMs(long,java.lang.Runnable,boolean,int)">
 <h3>scheduleMs</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">scheduleMs</span><wbr><span class="parameters">(long&nbsp;delayMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func,
  boolean&nbsp;checkActive,
  int&nbsp;jitterMs)</span></div>
 <div class="block">Same as schedule with millisecond resolution.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>delayMs</code> - the number of milliseconds to delay before running the function</dd>
 <dd><code>func</code> - the function to run</dd>
 <dd><code>checkActive</code> - whether to check is the timer is active</dd>
 <dd><code>jitterMs</code> - add jitter to the run</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="scheduleMs(long,java.lang.Runnable)">
 <h3>scheduleMs</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">scheduleMs</span><wbr><span class="parameters">(long&nbsp;delayMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</span></div>
 </section>
 </li>
 <li>
 <section class="detail" id="scheduleRecurring(int,int,java.lang.Runnable)">
 <h3>scheduleRecurring</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">scheduleRecurring</span><wbr><span class="parameters">(int&nbsp;delaySecs,
  int&nbsp;recurSecs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</span></div>
 <div class="block">Schedule a function to run recurrently.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>delaySecs</code> - the number of seconds to delay before running the function</dd>
 <dd><code>recurSecs</code> - the time between each invocation</dd>
 <dd><code>func</code> - the function to run</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="scheduleRecurringMs(long,long,java.lang.Runnable)">
 <h3>scheduleRecurringMs</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">scheduleRecurringMs</span><wbr><span class="parameters">(long&nbsp;delayMs,
  long&nbsp;recurMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</span></div>
 <div class="block">Schedule a function to run recurrently.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>delayMs</code> - the number of millis to delay before running the function</dd>
 <dd><code>recurMs</code> - the time between each invocation</dd>
 <dd><code>func</code> - the function to run</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="scheduleRecurringWithJitter(int,int,int,java.lang.Runnable)">
 <h3>scheduleRecurringWithJitter</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">scheduleRecurringWithJitter</span><wbr><span class="parameters">(int&nbsp;delaySecs,
  int&nbsp;recurSecs,
  int&nbsp;jitterMs,
  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Runnable.html" title="class or interface in java.lang" class="external-link">Runnable</a>&nbsp;func)</span></div>
 <div class="block">Schedule a function to run recurrently with jitter.</div>
 <dl class="notes">
 <dt>Parameters:</dt>
 <dd><code>delaySecs</code> - the number of seconds to delay before running the function</dd>
 <dd><code>recurSecs</code> - the time between each invocation</dd>
 <dd><code>jitterMs</code> - jitter added to the run</dd>
 <dd><code>func</code> - the function to run</dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="close()">
 <h3>close</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name">close</span>()
            throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></span></div>
 <div class="block">cancel timer.</div>
 <dl class="notes">
 <dt>Specified by:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/AutoCloseable.html#close()" title="class or interface in java.lang" class="external-link">close</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></code></dd>
 <dt>Throws:</dt>
 <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></code></dd>
 </dl>
 </section>
 </li>
 <li>
 <section class="detail" id="isTimerWaiting()">
 <h3>isTimerWaiting</h3>
 <div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name">isTimerWaiting</span>()</div>
 <div class="block">is timer waiting. Used in timer simulation.</div>
 </section>
 </li>
 </ul>
 </section>
 </li>
 </ul>
 </section>
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